#63B157
Closest named color: Boring Green (#63B365). oklch(68.9% 0.147 141.1), rgb(99, 177, 87).
Aa
Black text reads best on this color (7.95:1).
About this color
#63B157 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.147 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.015 away. Black text reads best on it, at 7.95:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 7.95:1 |
| White text | 2.63:1 |
Values
| HEX | #63B157 |
| RGB | rgb(99, 177, 87) |
| HSL | hsl(112, 37%, 52%) |
| OKLCH | oklch(68.9% 0.147 141.1) |
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 #63B157 | 2.63:1 | Fails | Lc -56.4 | Large or bold text, headings |
| Black text on #63B157 | 7.95:1 | AAA | Lc 52.8 | Large or bold text, headings |
| #63B157 text on white | 2.63:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #63B157 text on black | 7.95:1 | AAA | Lc -50.7 | 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
#E1EFDE
oklch(93.7% 0.027 140.2)
-
Step 200
200
#C7E2C3
oklch(88.5% 0.051 141.6)
-
Step 300
300
#A0D098
oklch(80.9% 0.092 141)
-
Step 400
400 (this color)
#63B157
oklch(68.9% 0.147 141.1)
-
Step 500
500
#37A325
oklch(63% 0.188 141.1)
-
Step 600
600
#1D8B00
oklch(55.5% 0.183 141.1)
-
Step 700
700
#177500
oklch(49% 0.162 141.1)
-
Step 800
800
#116000
oklch(42.6% 0.141 141.1)
-
Step 900
900
#0E5002
oklch(37.7% 0.122 141.1)
-
Step 950
950
#0C2F06
oklch(27% 0.078 140.8)
#63B157 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) | #B5A44F | 0.104 |
| Deuteranopia (no green cones) | #AA9D5D | 0.103 |
| Tritanopia (no blue cones) | #5CAC9C | 0.097 |
| Achromatopsia (no color) | #9F9F9F | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B157
#63B157
oklch(68.9% 0.147 141.1)
- #C47AD2
#C47AD2
oklch(68.9% 0.148 321.1)
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 #63B157, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.015
- Dark Pastel Green #56AE57 ΔE 0.016
- Fern #63A950 ΔE 0.022
- Asparagus #77AB56 ΔE 0.025
- Algae #54AC68 ΔE 0.030
- Turtle Green #75B84F ΔE 0.030
- Leaf #71AA34 ΔE 0.031
- Cool Green #33B864 ΔE 0.033
Use #63B157 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.