#63B063
Closest named color: Boring Green (#63B365). oklch(68.8% 0.134 143.9), rgb(99, 176, 99).
Aa
Black text reads best on this color (7.92:1).
About this color
#63B063 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.134 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.008 away. Black text reads best on it, at 7.92:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 7.92:1 |
| White text | 2.65:1 |
Values
| HEX | #63B063 |
| RGB | rgb(99, 176, 99) |
| HSL | hsl(120, 33%, 54%) |
| OKLCH | oklch(68.8% 0.134 143.9) |
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 #63B063 | 2.65:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #63B063 | 7.92:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #63B063 text on white | 2.65:1 | Fails | Lc 51.4 | Large or bold text, headings |
| #63B063 text on black | 7.92:1 | AAA | Lc -50.5 | 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 400.
-
Step 50
50
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C7E2C6
oklch(88.5% 0.048 144.2)
-
Step 300
300
#A0CF9F
oklch(80.9% 0.083 144.2)
-
Step 400
400 (this color)
#63B063
oklch(68.8% 0.134 143.9)
-
Step 500
500
#37A33D
oklch(63.2% 0.172 144)
-
Step 600
600
#008C1A
oklch(55.6% 0.18 144)
-
Step 700
700
#007614
oklch(49.1% 0.16 143.9)
-
Step 800
800
#00610F
oklch(42.8% 0.139 144)
-
Step 900
900
#0E5013
oklch(37.8% 0.112 143.8)
-
Step 950
950
#0C2F0D
oklch(27.1% 0.071 143.7)
#63B063 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) | #B3A35D | 0.101 |
| Deuteranopia (no green cones) | #A89C68 | 0.100 |
| Tritanopia (no blue cones) | #59AC9D | 0.083 |
| Achromatopsia (no color) | #9F9F9F | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B063
#63B063
oklch(68.8% 0.134 143.9)
- #C37CCA
#C37CCA
oklch(68.8% 0.135 323.7)
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 #63B063, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.008
- Algae #54AC68 ΔE 0.020
- Dark Pastel Green #56AE57 ΔE 0.020
- Asparagus #77AB56 ΔE 0.023
- Fern #63A950 ΔE 0.025
- Medium Sea Green #3CB371 ΔE 0.029
- Dull Green #74A662 ΔE 0.032
- Dark Seafoam Green #3EAF76 ΔE 0.034
Use #63B063 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.