#63B452
Closest named color: Boring Green (#63B365). oklch(69.6% 0.156 140.2), rgb(99, 180, 82).
Aa
Black text reads best on this color (8.18:1).
About this color
#63B452 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.156 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.022 away. Black text reads best on it, at 8.18:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.18:1 |
| White text | 2.56:1 |
Values
| HEX | #63B452 |
| RGB | rgb(99, 180, 82) |
| HSL | hsl(110, 40%, 51%) |
| OKLCH | oklch(69.6% 0.156 140.2) |
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 #63B452 | 2.56:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #63B452 | 8.18:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #63B452 text on white | 2.56:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #63B452 text on black | 8.18:1 | AAA | Lc -51.9 | 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
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C7E3C1
oklch(88.6% 0.055 140.1)
-
Step 300
300
#9FD195
oklch(81% 0.098 140.4)
-
Step 400
400 (this color)
#63B452
oklch(69.6% 0.156 140.2)
-
Step 500
500
#33A40E
oklch(63% 0.199 140.2)
-
Step 600
600
#268B00
oklch(55.7% 0.18 140.3)
-
Step 700
700
#1F7500
oklch(49.2% 0.159 140.2)
-
Step 800
800
#176000
oklch(42.8% 0.139 140.3)
-
Step 900
900
#125000
oklch(37.7% 0.122 140.2)
-
Step 950
950
#0A2F03
oklch(26.9% 0.082 140.4)
#63B452 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) | #B8A649 | 0.107 |
| Deuteranopia (no green cones) | #AD9F59 | 0.107 |
| Tritanopia (no blue cones) | #5CAF9E | 0.104 |
| Achromatopsia (no color) | #A2A2A2 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B452
#63B452
oklch(69.6% 0.156 140.2)
- #C77AD8
#C77AD8
oklch(69.5% 0.155 320.2)
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 #63B452, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.022
- Turtle Green #75B84F ΔE 0.023
- Dark Pastel Green #56AE57 ΔE 0.023
- Leafy Green #51B73B ΔE 0.031
- Fern #63A950 ΔE 0.031
- Leaf #71AA34 ΔE 0.032
- Cool Green #33B864 ΔE 0.032
- Asparagus #77AB56 ΔE 0.033
Use #63B452 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.