#509663
Closest named color: Light Forest Green (#4F9153). oklch(61.3% 0.105 151), rgb(80, 150, 99).
Aa
Black text reads best on this color (5.88:1).
About this color
#509663 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.105 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.022 away. Black text reads best on it, at 5.88:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.88:1 |
| White text | 3.56:1 |
Values
| HEX | #509663 |
| RGB | rgb(80, 150, 99) |
| HSL | hsl(136, 30%, 45%) |
| OKLCH | oklch(61.3% 0.105 151) |
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 #509663 | 3.56:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #509663 | 5.88:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #509663 text on white | 3.56:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #509663 text on black | 5.88:1 | AA | Lc -38.6 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD0
oklch(88.5% 0.029 151.9)
-
Step 300
300
#A9CBB0
oklch(81% 0.052 151.2)
-
Step 400
400
#7AB086
oklch(70.8% 0.084 150.8)
-
Step 500
500 (this color)
#509663
oklch(61.3% 0.105 151)
-
Step 600
600
#37864F
oklch(55.6% 0.115 150.9)
-
Step 700
700
#297140
oklch(49% 0.106 151)
-
Step 800
800
#245C35
oklch(42.6% 0.087 150.9)
-
Step 900
900
#234C2E
oklch(37.8% 0.069 150.6)
-
Step 950
950
#152C1B
oklch(26.8% 0.043 151)
#509663 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) | #978C60 | 0.090 |
| Deuteranopia (no green cones) | #8C8566 | 0.087 |
| Tritanopia (no blue cones) | #429489 | 0.057 |
| Achromatopsia (no color) | #878787 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509663
#509663
oklch(61.3% 0.105 151)
- #A86CA1
#A86CA1
oklch(61.3% 0.105 331)
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 #509663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.022
- Ocean Green #3D9973 ΔE 0.023
- Viridian #1E9167 ΔE 0.039
- Fern Green #548D44 ΔE 0.039
- Slate Green #658D6D ΔE 0.041
- Drab Green #749551 ΔE 0.041
- Muted Green #5FA052 ΔE 0.044
- Moss #769958 ΔE 0.044
Use #509663 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.