#599E37
Closest named color: Mid Green (#50A747). oklch(63.1% 0.154 136.9), rgb(89, 158, 55).
Aa
Black text reads best on this color (6.37:1).
About this color
#599E37 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.154 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.025 away. Black text reads best on it, at 6.37:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #599E37 |
| RGB | rgb(89, 158, 55) |
| HSL | hsl(100, 48%, 42%) |
| OKLCH | oklch(63.1% 0.154 136.9) |
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 #599E37 | 3.29:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #599E37 | 6.37:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #599E37 text on white | 3.29:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #599E37 text on black | 6.37:1 | AA | Lc -41.6 | 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
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CDE0C5
oklch(88.5% 0.042 136.3)
-
Step 300
300
#AACC9D
oklch(80.8% 0.074 137.1)
-
Step 400
400
#7CB265
oklch(70.7% 0.121 136.9)
-
Step 500
500 (this color)
#599E37
oklch(63.1% 0.154 136.9)
-
Step 600
600
#3C8802
oklch(55.6% 0.168 137)
-
Step 700
700
#317200
oklch(49% 0.148 136.9)
-
Step 800
800
#275E00
oklch(42.7% 0.129 137)
-
Step 900
900
#254D0F
oklch(37.7% 0.101 136.8)
-
Step 950
950
#162D0B
oklch(26.9% 0.064 136.9)
#599E37 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) | #A3912A | 0.097 |
| Deuteranopia (no green cones) | #9A8B40 | 0.099 |
| Tritanopia (no blue cones) | #569889 | 0.110 |
| Achromatopsia (no color) | #8E8E8E | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599E37
#599E37
oklch(63.1% 0.154 136.9)
- #AE68C6
#AE68C6
oklch(63.1% 0.154 317)
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 #599E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.025
- Muted Green #5FA052 ΔE 0.029
- Flat Green #699D4C ΔE 0.030
- Off Green #6BA353 ΔE 0.038
- Grassy Green #419C03 ΔE 0.038
- Grass Green #3F9B0B ΔE 0.039
- Fern #63A950 ΔE 0.039
- Medium Green #39AD48 ΔE 0.043
Use #599E37 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.