#1C9243
Closest named color: Kelley Green (#009337). oklch(58% 0.153 149), rgb(28, 146, 67).
Aa
Black text reads best on this color (5.24:1).
About this color
#1C9243 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.153 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.016 away. Black text reads best on it, at 5.24:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #1C9243 |
| RGB | rgb(28, 146, 67) |
| HSL | hsl(140, 68%, 34%) |
| OKLCH | oklch(58% 0.153 149) |
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 #1C9243 | 4.00:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #1C9243 | 5.24:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #1C9243 text on white | 4.00:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #1C9243 text on black | 5.24:1 | AA | Lc -34.8 | 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
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C9E1CC
oklch(88.6% 0.038 148.9)
-
Step 300
300
#A2CEA9
oklch(81% 0.069 149.3)
-
Step 400
400
#6DB47A
oklch(70.8% 0.111 148.8)
-
Step 500
500
#3FA057
oklch(63% 0.141 148.9)
-
Step 600
600 (this color)
#1C9243
oklch(58% 0.153 149)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#056027
oklch(42.8% 0.118 148.9)
-
Step 900
900
#144E24
oklch(37.6% 0.092 148.8)
-
Step 950
950
#0E2E16
oklch(27% 0.058 149.2)
#1C9243 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) | #93853C | 0.123 |
| Deuteranopia (no green cones) | #867B49 | 0.123 |
| Tritanopia (no blue cones) | #008F80 | 0.087 |
| Achromatopsia (no color) | #7F7F7F | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C9243
#1C9243
oklch(58% 0.153 149)
- #AA54A6
#AA54A6
oklch(58% 0.153 329.1)
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 #1C9243, closest first.
No curated palette has a color within ΔE 0.04 of #1C9243.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.016
- Irish Green #019529 ΔE 0.030
- Forest Green #228B22 ΔE 0.032
- Emerald Green #028F1E ΔE 0.035
- Sea Green #2E8B57 ΔE 0.039
- Fern Green #548D44 ΔE 0.040
- Light Forest Green #4F9153 ΔE 0.043
- True Green #089404 ΔE 0.046
Use #1C9243 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.