#00991D
Closest named color: True Green (#089404). oklch(59.3% 0.193 143.9), rgb(0, 153, 29).
Aa
Black text reads best on this color (5.57:1).
About this color
#00991D is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.193 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 0.016 away. Black text reads best on it, at 5.57:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.193) |
| Temperature | in between |
| Nearest name | True Green (#089404) |
| Black text | 5.57:1 |
| White text | 3.76:1 |
Values
| HEX | #00991D |
| RGB | rgb(0, 153, 29) |
| HSL | hsl(131, 100%, 30%) |
| OKLCH | oklch(59.3% 0.193 143.9) |
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 #00991D | 3.76:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #00991D | 5.57:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #00991D text on white | 3.76:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #00991D 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
#E0EFE0
oklch(93.7% 0.026 145.4)
-
Step 200
200
#C7E2C5
oklch(88.5% 0.049 143.3)
-
Step 300
300
#9FD09D
oklch(81% 0.087 143.7)
-
Step 400
400
#66B766
oklch(70.8% 0.14 143.9)
-
Step 500
500
#32A339
oklch(63% 0.177 144)
-
Step 600
600 (this color)
#00991D
oklch(59.3% 0.193 143.9)
-
Step 700
700
#007614
oklch(49.1% 0.16 143.9)
-
Step 800
800
#00610F
oklch(42.8% 0.139 144)
-
Step 900
900
#095010
oklch(37.6% 0.116 143.9)
-
Step 950
950
#0A2F0C
oklch(27% 0.073 144)
#00991D 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) | #8E802C | 0.139 |
| Tritanopia (no blue cones) | #009482 | 0.123 |
| Achromatopsia (no color) | #838383 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00991D
#00991D
oklch(59.3% 0.193 143.9)
- #B34BBD
#B34BBD
oklch(59.2% 0.193 324.1)
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 #00991D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- True Green #089404 ΔE 0.016
- Irish Green #019529 ΔE 0.016
- Grass Green #3F9B0B ΔE 0.026
- Grassy Green #419C03 ΔE 0.029
- Kelley Green #009337 ΔE 0.030
- Emerald Green #028F1E ΔE 0.030
- Forest Green #228B22 ΔE 0.042
- Kelly Green #02AB2E ΔE 0.053
Use #00991D 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.