#05991E
Closest named color: Irish Green (#019529). oklch(59.3% 0.192 143.9), rgb(5, 153, 30).
Aa
Black text reads best on this color (5.58:1).
About this color
#05991E is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.192 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.015 away. Black text reads best on it, at 5.58:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.58:1 |
| White text | 3.76:1 |
Values
| HEX | #05991E |
| RGB | rgb(5, 153, 30) |
| HSL | hsl(130, 94%, 31%) |
| OKLCH | oklch(59.3% 0.192 143.9) |
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 #05991E | 3.76:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #05991E | 5.58:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #05991E text on white | 3.76:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #05991E text on black | 5.58:1 | 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
#C7E2C6
oklch(88.5% 0.048 144.2)
-
Step 300
300
#9FD09D
oklch(81% 0.087 143.7)
-
Step 400
400
#67B667
oklch(70.6% 0.137 144)
-
Step 500
500
#33A339
oklch(63% 0.176 143.9)
-
Step 600
600 (this color)
#05991E
oklch(59.3% 0.192 143.9)
-
Step 700
700
#007613
oklch(49.1% 0.16 143.8)
-
Step 800
800
#00610E
oklch(42.8% 0.139 143.9)
-
Step 900
900
#0A5011
oklch(37.7% 0.115 143.9)
-
Step 950
950
#0A2F0C
oklch(27% 0.073 144)
#05991E 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 | 0.139 |
| Deuteranopia (no green cones) | #8E802D | 0.138 |
| Tritanopia (no blue cones) | #009482 | 0.123 |
| Achromatopsia (no color) | #848484 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05991E
#05991E
oklch(59.3% 0.192 143.9)
- #B34CBD
#B34CBD
oklch(59.3% 0.192 324.1)
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 #05991E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.015
- True Green #089404 ΔE 0.016
- Grass Green #3F9B0B ΔE 0.025
- Grassy Green #419C03 ΔE 0.028
- Kelley Green #009337 ΔE 0.029
- Emerald Green #028F1E ΔE 0.030
- Forest Green #228B22 ΔE 0.042
- Kelly Green #02AB2E ΔE 0.052
Use #05991E 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.