#63A910
Closest named color: Leaf Green (#5CA904). oklch(66.3% 0.183 133.1), rgb(99, 169, 16).
Aa
Black text reads best on this color (7.21:1).
About this color
#63A910 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.183 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.008 away. Black text reads best on it, at 7.21:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 7.21:1 |
| White text | 2.91:1 |
Values
| HEX | #63A910 |
| RGB | rgb(99, 169, 16) |
| HSL | hsl(87, 83%, 36%) |
| OKLCH | oklch(66.3% 0.183 133.1) |
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 #63A910 | 2.91:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #63A910 | 7.21:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #63A910 text on white | 2.91:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #63A910 text on black | 7.21:1 | AAA | Lc -46.6 | Large or bold text, headings |
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
#F2F7EF
oklch(97% 0.012 133.4)
-
Step 100
100
#E3EEDC
oklch(93.6% 0.027 133)
-
Step 200
200
#CDE1BF
oklch(88.6% 0.05 132.4)
-
Step 300
300
#AACE92
oklch(81% 0.09 133.3)
-
Step 400
400
#7CB350
oklch(70.7% 0.143 133.1)
-
Step 500
500 (this color)
#63A910
oklch(66.3% 0.183 133.1)
-
Step 600
600
#4C8500
oklch(55.5% 0.157 132.9)
-
Step 700
700
#3F7000
oklch(49.1% 0.138 133)
-
Step 800
800
#325C00
oklch(42.7% 0.121 133.3)
-
Step 900
900
#294D00
oklch(37.8% 0.107 133.2)
-
Step 950
950
#172E01
oklch(27.2% 0.075 133.1)
#63A910 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) | #B09B00 | 0.104 |
| Deuteranopia (no green cones) | #A79527 | 0.105 |
| Tritanopia (no blue cones) | #63A28F | 0.136 |
| Achromatopsia (no color) | #979797 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A910
#63A910
oklch(66.3% 0.183 133.1)
- #B96BE1
#B96BE1
oklch(66.2% 0.183 313)
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 #63A910, closest first.
No curated palette has a color within ΔE 0.04 of #63A910.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.008
- Grass #5CAC2D ΔE 0.013
- Leaf #71AA34 ΔE 0.027
- Mid Green #50A747 ΔE 0.037
- Leafy Green #51B73B ΔE 0.039
- Medium Green #39AD48 ΔE 0.039
- Avocado Green #87A922 ΔE 0.044
- Fern #63A950 ΔE 0.044
Use #63A910 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.