#63B45E
Closest named color: Boring Green (#63B365). oklch(69.8% 0.145 142.7), rgb(99, 180, 94).
Aa
Black text reads best on this color (8.22:1).
About this color
#63B45E is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.145 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.010 away. Black text reads best on it, at 8.22:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.22:1 |
| White text | 2.55:1 |
Values
| HEX | #63B45E |
| RGB | rgb(99, 180, 94) |
| HSL | hsl(117, 36%, 54%) |
| OKLCH | oklch(69.8% 0.145 142.7) |
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 #63B45E | 2.55:1 | Fails | Lc -54.9 | Large or bold text, headings |
| Black text on #63B45E | 8.22:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #63B45E text on white | 2.55:1 | Fails | Lc 49.8 | Large or bold text, headings |
| #63B45E text on black | 8.22:1 | AAA | Lc -52.1 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C7E2C4
oklch(88.5% 0.05 142.4)
-
Step 300
300
#9FD09A
oklch(80.9% 0.091 142.4)
-
Step 400
400 (this color)
#63B45E
oklch(69.8% 0.145 142.7)
-
Step 500
500
#31A42E
oklch(63.2% 0.186 142.7)
-
Step 600
600
#008C04
oklch(55.5% 0.188 142.7)
-
Step 700
700
#007603
oklch(49% 0.166 142.7)
-
Step 800
800
#006102
oklch(42.7% 0.144 142.7)
-
Step 900
900
#095008
oklch(37.6% 0.12 142.6)
-
Step 950
950
#0A2F09
oklch(26.9% 0.076 142.7)
#63B45E 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) | #B8A757 | 0.106 |
| Deuteranopia (no green cones) | #AC9F64 | 0.105 |
| Tritanopia (no blue cones) | #5AB0A0 | 0.092 |
| Achromatopsia (no color) | #A2A2A2 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B45E
#63B45E
oklch(69.8% 0.145 142.7)
- #C87DD2
#C87DD2
oklch(69.8% 0.145 322.7)
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 #63B45E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.010
- Dark Pastel Green #56AE57 ΔE 0.023
- Turtle Green #75B84F ΔE 0.027
- Asparagus #77AB56 ΔE 0.028
- Fern #63A950 ΔE 0.031
- Cool Green #33B864 ΔE 0.032
- Algae #54AC68 ΔE 0.033
- Medium Sea Green #3CB371 ΔE 0.034
Use #63B45E 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.