#63AC58
Closest named color: Fern (#63A950). oklch(67.7% 0.139 141.1), rgb(99, 172, 88).
Aa
Black text reads best on this color (7.57:1).
About this color
#63AC58 is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.139 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.010 away. Black text reads best on it, at 7.57:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.57:1 |
| White text | 2.77:1 |
Values
| HEX | #63AC58 |
| RGB | rgb(99, 172, 88) |
| HSL | hsl(112, 34%, 51%) |
| OKLCH | oklch(67.7% 0.139 141.1) |
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 #63AC58 | 2.77:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #63AC58 | 7.57:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #63AC58 text on white | 2.77:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #63AC58 text on black | 7.57:1 | AAA | Lc -48.5 | 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
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C8E2C4
oklch(88.6% 0.049 141.4)
-
Step 300
300
#A2CF9B
oklch(80.9% 0.086 141.3)
-
Step 400
400 (this color)
#63AC58
oklch(67.7% 0.139 141.1)
-
Step 500
500
#3FA22F
oklch(63% 0.177 141.1)
-
Step 600
600
#1C8B00
oklch(55.5% 0.183 141.2)
-
Step 700
700
#167500
oklch(49% 0.162 141.2)
-
Step 800
800
#106000
oklch(42.6% 0.141 141.2)
-
Step 900
900
#145009
oklch(37.9% 0.116 141.1)
-
Step 950
950
#0E2F09
oklch(27.1% 0.074 141.2)
#63AC58 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) | #B09F51 | 0.099 |
| Deuteranopia (no green cones) | #A5995E | 0.097 |
| Tritanopia (no blue cones) | #5CA798 | 0.091 |
| Achromatopsia (no color) | #9B9B9B | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AC58
#63AC58
oklch(67.7% 0.139 141.1)
- #BE78CB
#BE78CB
oklch(67.6% 0.14 321.2)
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 #63AC58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.010
- Dark Pastel Green #56AE57 ΔE 0.013
- Asparagus #77AB56 ΔE 0.020
- Algae #54AC68 ΔE 0.021
- Boring Green #63B365 ΔE 0.021
- Off Green #6BA353 ΔE 0.025
- Dull Green #74A662 ΔE 0.030
- Mid Green #50A747 ΔE 0.030
Use #63AC58 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.