#659B37
Closest named color: Flat Green (#699D4C). oklch(63% 0.144 133.2), rgb(101, 155, 55).
Aa
Black text reads best on this color (6.29:1).
About this color
#659B37 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.144 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.022 away. Black text reads best on it, at 6.29:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #659B37 |
| RGB | rgb(101, 155, 55) |
| HSL | hsl(92, 48%, 41%) |
| OKLCH | oklch(63% 0.144 133.2) |
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 #659B37 | 3.33:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #659B37 | 6.29:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #659B37 text on white | 3.33:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #659B37 text on black | 6.29:1 | AA | Lc -41.1 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDDF
oklch(93.6% 0.02 131.5)
-
Step 200
200
#CFDFC5
oklch(88.5% 0.039 133.2)
-
Step 300
300
#AFCB9D
oklch(80.9% 0.07 133.3)
-
Step 400
400
#84B065
oklch(70.7% 0.113 133.4)
-
Step 500
500 (this color)
#659B37
oklch(63% 0.144 133.2)
-
Step 600
600
#4C8503
oklch(55.5% 0.156 133)
-
Step 700
700
#3E7000
oklch(49% 0.139 133.3)
-
Step 800
800
#325C01
oklch(42.7% 0.121 133.3)
-
Step 900
900
#2C4C10
oklch(37.8% 0.094 133.6)
-
Step 950
950
#1A2C0B
oklch(26.9% 0.059 133.2)
#659B37 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) | #A18F2B | 0.083 |
| Deuteranopia (no green cones) | #9A8B3F | 0.085 |
| Tritanopia (no blue cones) | #659586 | 0.106 |
| Achromatopsia (no color) | #8D8D8D | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #659B37
#659B37
oklch(63% 0.144 133.2)
- #A76CC6
#A76CC6
oklch(62.9% 0.144 313.1)
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 #659B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.022
- Muted Green #5FA052 ΔE 0.026
- Off Green #6BA353 ΔE 0.034
- Mid Green #50A747 ΔE 0.035
- Olive Drab #6B8E23 ΔE 0.036
- Dark Yellow Green #728F02 ΔE 0.036
- Fern #63A950 ΔE 0.040
- Drab Green #749551 ΔE 0.042
Use #659B37 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.