#63AE63
Closest named color: Boring Green (#63B365). oklch(68.3% 0.131 144), rgb(99, 174, 99).
Aa
Black text reads best on this color (7.76:1).
About this color
#63AE63 is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.131 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 0.014 away. Black text reads best on it, at 7.76:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 7.76:1 |
| White text | 2.70:1 |
Values
| HEX | #63AE63 |
| RGB | rgb(99, 174, 99) |
| HSL | hsl(120, 32%, 54%) |
| OKLCH | oklch(68.3% 0.131 144) |
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 #63AE63 | 2.70:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #63AE63 | 7.76:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #63AE63 text on white | 2.70:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #63AE63 text on black | 7.76:1 | AAA | Lc -49.6 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C8E1C7
oklch(88.4% 0.044 144.2)
-
Step 300
300
#A1CF9F
oklch(80.9% 0.082 143.7)
-
Step 400
400 (this color)
#63AE63
oklch(68.3% 0.131 144)
-
Step 500
500
#3BA23F
oklch(63.1% 0.167 143.9)
-
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
#104F15
oklch(37.5% 0.109 144)
-
Step 950
950
#0D2F0E
oklch(27.1% 0.069 143.8)
#63AE63 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) | #B1A25D | 0.099 |
| Deuteranopia (no green cones) | #A69B68 | 0.097 |
| Tritanopia (no blue cones) | #5AAA9C | 0.082 |
| Achromatopsia (no color) | #9D9D9D | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AE63
#63AE63
oklch(68.3% 0.131 144)
- #C17CC7
#C17CC7
oklch(68.4% 0.131 324)
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 #63AE63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.014
- Algae #54AC68 ΔE 0.016
- Dark Pastel Green #56AE57 ΔE 0.020
- Asparagus #77AB56 ΔE 0.022
- Fern #63A950 ΔE 0.022
- Dull Green #74A662 ΔE 0.027
- Medium Sea Green #3CB371 ΔE 0.029
- Off Green #6BA353 ΔE 0.031
Use #63AE63 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.