#1A9920
Closest named color: Irish Green (#019529). oklch(59.6% 0.188 143.2), rgb(26, 153, 32).
Aa
Black text reads best on this color (5.62:1).
About this color
#1A9920 is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.188 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.016 away. Black text reads best on it, at 5.62:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #1A9920 |
| RGB | rgb(26, 153, 32) |
| HSL | hsl(123, 71%, 35%) |
| OKLCH | oklch(59.6% 0.188 143.2) |
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 #1A9920 | 3.73:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #1A9920 | 5.62:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #1A9920 text on white | 3.73:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #1A9920 text on black | 5.62:1 | AA | Lc -37.4 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C6E2C4
oklch(88.4% 0.05 143.3)
-
Step 300
300
#9ED09A
oklch(80.8% 0.091 142.8)
-
Step 400
400
#64B761
oklch(70.6% 0.146 143.2)
-
Step 500
500 (this color)
#1A9920
oklch(59.6% 0.188 143.2)
-
Step 600
600
#008C10
oklch(55.5% 0.184 143.2)
-
Step 700
700
#00760B
oklch(49.1% 0.163 143.2)
-
Step 800
800
#006107
oklch(42.7% 0.142 143.1)
-
Step 900
900
#045108
oklch(37.8% 0.123 143.1)
-
Step 950
950
#082F09
oklch(26.9% 0.077 143.4)
#1A9920 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) | #9C8A00 | 0.133 |
| Deuteranopia (no green cones) | #8F812E | 0.133 |
| Tritanopia (no blue cones) | #009482 | 0.120 |
| Achromatopsia (no color) | #848484 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A9920
#1A9920
oklch(59.6% 0.188 143.2)
- #B24FBE
#B24FBE
oklch(59.6% 0.188 323.2)
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 #1A9920, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.016
- True Green #089404 ΔE 0.019
- Grass Green #3F9B0B ΔE 0.021
- Grassy Green #419C03 ΔE 0.025
- Kelley Green #009337 ΔE 0.029
- Emerald Green #028F1E ΔE 0.032
- Forest Green #228B22 ΔE 0.042
- Kelly Green #02AB2E ΔE 0.051
Use #1A9920 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.