#1D903E
Closest named color: Kelley Green (#009337). oklch(57.4% 0.155 147.9), rgb(29, 144, 62).
Aa
Black text reads best on this color (5.11:1).
About this color
#1D903E is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.155 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.015 away. Black text reads best on it, at 5.11:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #1D903E |
| RGB | rgb(29, 144, 62) |
| HSL | hsl(137, 66%, 34%) |
| OKLCH | oklch(57.4% 0.155 147.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1D903E | 4.10:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #1D903E | 5.11:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #1D903E text on white | 4.10:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #1D903E text on black | 5.11:1 | AA | Lc -33.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C9E1CB
oklch(88.6% 0.039 147.6)
-
Step 300
300
#A3CEA7
oklch(81% 0.071 147.4)
-
Step 400
400
#6EB478
oklch(70.8% 0.112 147.7)
-
Step 500
500
#41A055
oklch(63.1% 0.142 148)
-
Step 600
600 (this color)
#1D903E
oklch(57.4% 0.155 147.9)
-
Step 700
700
#00752C
oklch(49% 0.142 148)
-
Step 800
800
#096025
oklch(42.8% 0.119 147.9)
-
Step 900
900
#154E23
oklch(37.6% 0.092 148.1)
-
Step 950
950
#0F2E15
oklch(27% 0.059 147.8)
#1D903E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #928336 | 0.123 |
| Deuteranopia (no green cones) | #857A44 | 0.121 |
| Tritanopia (no blue cones) | #008D7E | 0.090 |
| Achromatopsia (no color) | #7D7D7D | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D903E
#1D903E
oklch(57.4% 0.155 147.9)
- #A752A6
#A752A6
oklch(57.3% 0.154 327.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1D903E, closest first.
No curated palette has a color within ΔE 0.04 of #1D903E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.015
- Forest Green #228B22 ΔE 0.025
- Irish Green #019529 ΔE 0.029
- Emerald Green #028F1E ΔE 0.030
- Sea Green #2E8B57 ΔE 0.040
- Fern Green #548D44 ΔE 0.042
- True Green #089404 ΔE 0.043
- Light Forest Green #4F9153 ΔE 0.047
Use #1D903E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.