#64D283
Closest named color: Seaweed (#18D17B). oklch(77.9% 0.152 150.7), rgb(100, 210, 131).
Aa
Black text reads best on this color (11.08:1).
About this color
#64D283 is a medium-light, vivid green. In OKLCH its lightness is 78%, its chroma 0.152 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.040 away. Black text reads best on it, at 11.08:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 11.08:1 |
| White text | 1.89:1 |
Values
| HEX | #64D283 |
| RGB | rgb(100, 210, 131) |
| HSL | hsl(137, 55%, 61%) |
| OKLCH | oklch(77.9% 0.152 150.7) |
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 #64D283 | 1.89:1 | Fails | Lc -40.0 | Non-text elements, placeholder text |
| Black text on #64D283 | 11.08:1 | AAA | Lc 68.1 | Content text, not long reading |
| #64D283 text on white | 1.89:1 | Fails | Lc 35.8 | Non-text elements, placeholder text |
| #64D283 text on black | 11.08:1 | AAA | Lc -66.8 | Content text, not long reading |
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 300.
-
Step 50
50
#ECFAEF
oklch(97.2% 0.021 152.2)
-
Step 100
100
#D6F3DB
oklch(93.7% 0.044 150.3)
-
Step 200
200
#B1EABD
oklch(88.6% 0.085 150.8)
-
Step 300
300 (this color)
#64D283
oklch(77.9% 0.152 150.7)
-
Step 400
400
#00C05C
oklch(70.6% 0.192 150.6)
-
Step 500
500
#00A54E
oklch(63.1% 0.171 150.6)
-
Step 600
600
#008B41
oklch(55.7% 0.151 150.7)
-
Step 700
700
#007535
oklch(49.2% 0.134 150.5)
-
Step 800
800
#00602B
oklch(42.8% 0.116 150.8)
-
Step 900
900
#005022
oklch(37.7% 0.103 150.5)
-
Step 950
950
#003012
oklch(27% 0.073 150.7)
#64D283 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) | #D3C37E | 0.128 |
| Deuteranopia (no green cones) | #C4B888 | 0.126 |
| Tritanopia (no blue cones) | #4BCFBE | 0.082 |
| Achromatopsia (no color) | #BCBCBC | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64D283
#64D283
oklch(77.9% 0.152 150.7)
- #ED91E4
#ED91E4
oklch(77.9% 0.152 330.5)
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 #64D283, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.040
- Soft Green #6FC276 ΔE 0.042
- Emerald #06D6A0 ΔE 0.044
- Aqua Green #12E193 ΔE 0.046
- Weird Green #3AE57F ΔE 0.057
- Dark Mint #48C072 ΔE 0.058
- Medium Aquamarine #66CDAA ΔE 0.058
- Greenblue #23C48B ΔE 0.060
Use #64D283 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.