#599E23
Closest named color: Grassy Green (#419C03). oklch(63% 0.167 134.9), rgb(89, 158, 35).
Aa
Black text reads best on this color (6.33:1).
About this color
#599E23 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.167 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.028 away. Black text reads best on it, at 6.33:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.33:1 |
| White text | 3.31:1 |
Values
| HEX | #599E23 |
| RGB | rgb(89, 158, 35) |
| HSL | hsl(94, 64%, 38%) |
| OKLCH | oklch(63% 0.167 134.9) |
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 #599E23 | 3.31:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #599E23 | 6.33:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #599E23 text on white | 3.31:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #599E23 text on black | 6.33:1 | AA | Lc -41.5 | 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
#CDE0C2
oklch(88.4% 0.045 133.9)
-
Step 300
300
#AACD98
oklch(80.9% 0.082 135.2)
-
Step 400
400
#7CB25C
oklch(70.6% 0.13 134.9)
-
Step 500
500 (this color)
#599E23
oklch(63% 0.167 134.9)
-
Step 600
600
#458700
oklch(55.7% 0.163 134.9)
-
Step 700
700
#397100
oklch(49.1% 0.143 134.9)
-
Step 800
800
#2E5D00
oklch(42.8% 0.125 134.8)
-
Step 900
900
#254D01
oklch(37.6% 0.109 135)
-
Step 950
950
#162D06
oklch(26.8% 0.069 135)
#599E23 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) | #A49103 | 0.099 |
| Deuteranopia (no green cones) | #9B8B30 | 0.101 |
| Tritanopia (no blue cones) | #579887 | 0.122 |
| Achromatopsia (no color) | #8D8D8D | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599E23
#599E23
oklch(63% 0.167 134.9)
- #AE65CD
#AE65CD
oklch(63% 0.166 315)
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 #599E23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.028
- Grass Green #3F9B0B ΔE 0.029
- Mid Green #50A747 ΔE 0.032
- Leaf Green #5CA904 ΔE 0.036
- Grass #5CAC2D ΔE 0.040
- Muted Green #5FA052 ΔE 0.043
- Flat Green #699D4C ΔE 0.043
- Medium Green #39AD48 ΔE 0.044
Use #599E23 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.