#599D40
Closest named color: Muted Green (#5FA052). oklch(63% 0.145 138.2), rgb(89, 157, 64).
Aa
Black text reads best on this color (6.32:1).
About this color
#599D40 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.145 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.021 away. Black text reads best on it, at 6.32:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.32:1 |
| White text | 3.32:1 |
Values
| HEX | #599D40 |
| RGB | rgb(89, 157, 64) |
| HSL | hsl(104, 42%, 43%) |
| OKLCH | oklch(63% 0.145 138.2) |
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 #599D40 | 3.32:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #599D40 | 6.32:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #599D40 text on white | 3.32:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #599D40 text on black | 6.32:1 | AA | Lc -41.3 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#AACCA0
oklch(80.9% 0.071 138.6)
-
Step 400
400
#7CB16B
oklch(70.6% 0.113 138.4)
-
Step 500
500 (this color)
#599D40
oklch(63% 0.145 138.2)
-
Step 600
600
#3D871B
oklch(55.5% 0.157 138.1)
-
Step 700
700
#2E730A
oklch(49.2% 0.147 138.2)
-
Step 800
800
#285D0F
oklch(42.6% 0.121 138)
-
Step 900
900
#254D16
oklch(37.8% 0.095 138.3)
-
Step 950
950
#162D0E
oklch(26.9% 0.061 138.3)
#599D40 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) | #A29136 | 0.096 |
| Deuteranopia (no green cones) | #988B47 | 0.095 |
| Tritanopia (no blue cones) | #559889 | 0.101 |
| Achromatopsia (no color) | #8D8D8D | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599D40
#599D40
oklch(63% 0.145 138.2)
- #AD6AC1
#AD6AC1
oklch(63% 0.145 318.1)
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 #599D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.021
- Flat Green #699D4C ΔE 0.023
- Mid Green #50A747 ΔE 0.028
- Off Green #6BA353 ΔE 0.034
- Fern #63A950 ΔE 0.038
- Olive Drab #6B8E23 ΔE 0.043
- Grass Green #3F9B0B ΔE 0.045
- Grassy Green #419C03 ΔE 0.046
Use #599D40 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.