#00991A
Closest named color: True Green (#089404). oklch(59.3% 0.194 143.7), rgb(0, 153, 26).
Aa
Black text reads best on this color (5.57:1).
About this color
#00991A is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.194 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is True Green (#089404), ΔE 0.015 away. Black text reads best on it, at 5.57:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.194) |
| Temperature | in between |
| Nearest name | True Green (#089404) |
| Black text | 5.57:1 |
| White text | 3.76:1 |
Values
| HEX | #00991A |
| RGB | rgb(0, 153, 26) |
| HSL | hsl(130, 100%, 30%) |
| OKLCH | oklch(59.3% 0.194 143.7) |
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 #00991A | 3.76:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #00991A | 5.57:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #00991A text on white | 3.76:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #00991A text on black | 5.57:1 | AA | Lc -37.2 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C7E2C5
oklch(88.5% 0.049 143.3)
-
Step 300
300
#9FD09D
oklch(81% 0.087 143.7)
-
Step 400
400
#66B765
oklch(70.8% 0.141 143.7)
-
Step 500
500
#32A337
oklch(63% 0.178 143.7)
-
Step 600
600 (this color)
#00991A
oklch(59.3% 0.194 143.7)
-
Step 700
700
#007612
oklch(49.1% 0.161 143.7)
-
Step 800
800
#00610D
oklch(42.7% 0.14 143.7)
-
Step 900
900
#09500F
oklch(37.6% 0.116 143.7)
-
Step 950
950
#0A2F0B
oklch(27% 0.074 143.6)
#00991A 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) | #9C8900 | 0.140 |
| Deuteranopia (no green cones) | #8E802B | 0.139 |
| Tritanopia (no blue cones) | #009482 | 0.125 |
| Achromatopsia (no color) | #838383 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00991A
#00991A
oklch(59.3% 0.194 143.7)
- #B34BBE
#B34BBE
oklch(59.3% 0.194 323.8)
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 #00991A, closest first.
No curated palette has a color within ΔE 0.04 of #00991A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- True Green #089404 ΔE 0.015
- Irish Green #019529 ΔE 0.017
- Grass Green #3F9B0B ΔE 0.026
- Grassy Green #419C03 ΔE 0.029
- Emerald Green #028F1E ΔE 0.031
- Kelley Green #009337 ΔE 0.031
- Forest Green #228B22 ΔE 0.043
- Kelly Green #02AB2E ΔE 0.053
Use #00991A 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.