#63B263
Closest named color: Boring Green (#63B365). oklch(69.3% 0.137 143.9), rgb(99, 178, 99).
Aa
Black text reads best on this color (8.07:1).
About this color
#63B263 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.137 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 0.003 away. Black text reads best on it, at 8.07:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.07:1 |
| White text | 2.59:1 |
Values
| HEX | #63B263 |
| RGB | rgb(99, 178, 99) |
| HSL | hsl(120, 34%, 54%) |
| OKLCH | oklch(69.3% 0.137 143.9) |
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 #63B263 | 2.59:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #63B263 | 8.07:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #63B263 text on white | 2.59:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #63B263 text on black | 8.07:1 | AAA | Lc -51.3 | 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
#E0EEE0
oklch(93.5% 0.024 145.4)
-
Step 200
200
#C7E2C6
oklch(88.5% 0.048 144.2)
-
Step 300
300
#9FD09E
oklch(81% 0.086 144.2)
-
Step 400
400 (this color)
#63B263
oklch(69.3% 0.137 143.9)
-
Step 500
500
#34A33A
oklch(63.1% 0.175 143.9)
-
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
#0B5012
oklch(37.7% 0.114 144)
-
Step 950
950
#0B2F0C
oklch(27% 0.072 143.7)
#63B263 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) | #B5A55D | 0.103 |
| Deuteranopia (no green cones) | #AA9E68 | 0.102 |
| Tritanopia (no blue cones) | #59AE9F | 0.085 |
| Achromatopsia (no color) | #A0A0A0 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B263
#63B263
oklch(69.3% 0.137 143.9)
- #C67DCC
#C67DCC
oklch(69.4% 0.137 324.2)
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 #63B263, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.003
- Dark Pastel Green #56AE57 ΔE 0.022
- Asparagus #77AB56 ΔE 0.025
- Algae #54AC68 ΔE 0.025
- Fern #63A950 ΔE 0.028
- Medium Sea Green #3CB371 ΔE 0.030
- Cool Green #33B864 ΔE 0.035
- Turtle Green #75B84F ΔE 0.035
Use #63B263 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.