#599B20
Closest named color: Grassy Green (#419C03). oklch(62.2% 0.165 134.3), rgb(89, 155, 32).
Aa
Black text reads best on this color (6.13:1).
About this color
#599B20 is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.165 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.026 away. Black text reads best on it, at 6.13:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.13:1 |
| White text | 3.42:1 |
Values
| HEX | #599B20 |
| RGB | rgb(89, 155, 32) |
| HSL | hsl(92, 66%, 37%) |
| OKLCH | oklch(62.2% 0.165 134.3) |
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 #599B20 | 3.42:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #599B20 | 6.13:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #599B20 text on white | 3.42:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #599B20 text on black | 6.13:1 | AA | Lc -40.2 | 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 500.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDE
oklch(93.6% 0.024 135.7)
-
Step 200
200
#CDE0C3
oklch(88.5% 0.044 134.7)
-
Step 300
300
#ABCD98
oklch(81% 0.081 134.6)
-
Step 400
400
#7EB25C
oklch(70.7% 0.129 134.2)
-
Step 500
500 (this color)
#599B20
oklch(62.2% 0.165 134.3)
-
Step 600
600
#478600
oklch(55.6% 0.16 134.3)
-
Step 700
700
#3B7100
oklch(49.2% 0.142 134.3)
-
Step 800
800
#2F5C00
oklch(42.5% 0.123 134.3)
-
Step 900
900
#274D01
oklch(37.7% 0.108 134.2)
-
Step 950
950
#172D06
oklch(26.9% 0.068 134.3)
#599B20 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) | #A18E00 | 0.096 |
| Deuteranopia (no green cones) | #98892E | 0.097 |
| Tritanopia (no blue cones) | #589584 | 0.121 |
| Achromatopsia (no color) | #8B8B8B | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599B20
#599B20
oklch(62.2% 0.165 134.3)
- #AA63CB
#AA63CB
oklch(62.1% 0.166 314.1)
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 #599B20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.026
- Grass Green #3F9B0B ΔE 0.027
- Mid Green #50A747 ΔE 0.038
- Dark Yellow Green #728F02 ΔE 0.039
- Olive Drab #6B8E23 ΔE 0.041
- Leaf Green #5CA904 ΔE 0.044
- Flat Green #699D4C ΔE 0.044
- Muted Green #5FA052 ΔE 0.044
Use #599B20 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.