#63BF6F
Closest named color: Soft Green (#6FC276). oklch(72.8% 0.144 146.7), rgb(99, 191, 111).
Aa
Black text reads best on this color (9.21:1).
About this color
#63BF6F is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.144 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.017 away. Black text reads best on it, at 9.21:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.21:1 |
| White text | 2.27:1 |
Values
| HEX | #63BF6F |
| RGB | rgb(99, 191, 111) |
| HSL | hsl(128, 42%, 57%) |
| OKLCH | oklch(72.8% 0.144 146.7) |
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 #63BF6F | 2.27:1 | Fails | Lc -49.6 | Large or bold text, headings |
| Black text on #63BF6F | 9.21:1 | AAA | Lc 59.2 | Large or bold text, headings |
| #63BF6F text on white | 2.27:1 | Fails | Lc 44.7 | Non-text elements, placeholder text |
| #63BF6F text on black | 9.21:1 | AAA | Lc -57.4 | 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
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C4E3C6
oklch(88.5% 0.051 146.9)
-
Step 300
300
#9AD19F
oklch(80.9% 0.09 147)
-
Step 400
400 (this color)
#63BF6F
oklch(72.8% 0.144 146.7)
-
Step 500
500
#12A53D
oklch(63% 0.184 146.8)
-
Step 600
600
#008C2F
oklch(55.7% 0.167 146.6)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#005018
oklch(37.6% 0.112 146.9)
-
Step 950
950
#04300D
oklch(27.1% 0.076 146.5)
#63BF6F 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) | #C1B169 | 0.114 |
| Deuteranopia (no green cones) | #B4A874 | 0.113 |
| Tritanopia (no blue cones) | #54BBAB | 0.085 |
| Achromatopsia (no color) | #ACACAC | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63BF6F
#63BF6F
oklch(72.8% 0.144 146.7)
- #D685D6
#D685D6
oklch(72.8% 0.144 326.9)
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 #63BF6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.017
- Dark Mint #48C072 ΔE 0.019
- Boring Green #63B365 ΔE 0.033
- Turtle Green #75B84F ΔE 0.033
- Dark Mint Green #20C073 ΔE 0.036
- Algae Green #21C36F ΔE 0.037
- Greenblue #23C48B ΔE 0.042
- Cool Green #33B864 ΔE 0.043
Use #63BF6F 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.