#59991A
Closest named color: Grass Green (#3F9B0B). oklch(61.6% 0.166 133.7), rgb(89, 153, 26).
Aa
Black text reads best on this color (5.99:1).
About this color
#59991A is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.166 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.025 away. Black text reads best on it, at 5.99:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #59991A |
| RGB | rgb(89, 153, 26) |
| HSL | hsl(90, 71%, 35%) |
| OKLCH | oklch(61.6% 0.166 133.7) |
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 #59991A | 3.50:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #59991A | 5.99:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #59991A text on white | 3.50:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #59991A text on black | 5.99:1 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E4EEDE
oklch(93.7% 0.024 133.5)
-
Step 200
200
#CDE0C2
oklch(88.4% 0.045 133.9)
-
Step 300
300
#ACCD97
oklch(81% 0.082 133.6)
-
Step 400
400
#7FB25B
oklch(70.7% 0.13 133.7)
-
Step 500
500 (this color)
#59991A
oklch(61.6% 0.166 133.7)
-
Step 600
600
#4A8600
oklch(55.7% 0.159 133.6)
-
Step 700
700
#3D7000
oklch(49% 0.14 133.6)
-
Step 800
800
#315C00
oklch(42.6% 0.122 133.6)
-
Step 900
900
#284D00
oklch(37.7% 0.108 133.7)
-
Step 950
950
#182D06
oklch(27% 0.067 133.6)
#59991A 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) | #9F8C00 | 0.095 |
| Deuteranopia (no green cones) | #978729 | 0.096 |
| Tritanopia (no blue cones) | #599382 | 0.122 |
| Achromatopsia (no color) | #898989 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59991A
#59991A
oklch(61.6% 0.166 133.7)
- #A862CA
#A862CA
oklch(61.7% 0.165 313.6)
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 #59991A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.025
- Grassy Green #419C03 ΔE 0.026
- Dark Yellow Green #728F02 ΔE 0.036
- Olive Drab #6B8E23 ΔE 0.038
- Sap Green #5C8B15 ΔE 0.040
- Mid Green #50A747 ΔE 0.044
- Mossy Green #638B27 ΔE 0.044
- Flat Green #699D4C ΔE 0.047
Use #59991A 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.