#1D9D41
Closest named color: Irish Green (#019529). oklch(61% 0.169 147.5), rgb(29, 157, 65).
Aa
Black text reads best on this color (5.95:1).
About this color
#1D9D41 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.169 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.031 away. Black text reads best on it, at 5.95:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.95:1 |
| White text | 3.52:1 |
Values
| HEX | #1D9D41 |
| RGB | rgb(29, 157, 65) |
| HSL | hsl(137, 69%, 36%) |
| OKLCH | oklch(61% 0.169 147.5) |
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 #1D9D41 | 3.52:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #1D9D41 | 5.95:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #1D9D41 text on white | 3.52:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #1D9D41 text on black | 5.95:1 | AA | Lc -39.4 | 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 500.
-
Step 50
50
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EFE1
oklch(93.7% 0.024 147.3)
-
Step 200
200
#C6E2C8
oklch(88.5% 0.046 147.2)
-
Step 300
300
#9DD0A2
oklch(81% 0.083 147.3)
-
Step 400
400
#62B76F
oklch(70.8% 0.133 147.4)
-
Step 500
500 (this color)
#1D9D41
oklch(61% 0.169 147.5)
-
Step 600
600
#008B33
oklch(55.5% 0.163 147.4)
-
Step 700
700
#00752A
oklch(49% 0.144 147.5)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900
#01501A
oklch(37.6% 0.11 147.4)
-
Step 950
950
#072F11
oklch(26.9% 0.069 147.9)
#1D9D41 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) | #9F8E38 | 0.133 |
| Deuteranopia (no green cones) | #918548 | 0.131 |
| Tritanopia (no blue cones) | #009989 | 0.100 |
| Achromatopsia (no color) | #888888 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D9D41
#1D9D41
oklch(61% 0.169 147.5)
- #B758B6
#B758B6
oklch(61% 0.169 327.8)
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 #1D9D41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.031
- Kelley Green #009337 ΔE 0.032
- Grass Green #3F9B0B ΔE 0.033
- Grassy Green #419C03 ΔE 0.035
- True Green #089404 ΔE 0.044
- Mid Green #50A747 ΔE 0.047
- Emerald Green #028F1E ΔE 0.048
- Kelly Green #02AB2E ΔE 0.048
Use #1D9D41 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.