#64C166
Closest named color: Soft Green (#6FC276). oklch(73.2% 0.155 144.2), rgb(100, 193, 102).
Aa
Black text reads best on this color (9.36:1).
About this color
#64C166 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.155 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.023 away. Black text reads best on it, at 9.36:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.36:1 |
| White text | 2.24:1 |
Values
| HEX | #64C166 |
| RGB | rgb(100, 193, 102) |
| HSL | hsl(121, 43%, 57%) |
| OKLCH | oklch(73.2% 0.155 144.2) |
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 #64C166 | 2.24:1 | Fails | Lc -48.8 | Large or bold text, headings |
| Black text on #64C166 | 9.36:1 | AAA | Lc 60.0 | Large or bold text, headings |
| #64C166 text on white | 2.24:1 | Fails | Lc 44.0 | Non-text elements, placeholder text |
| #64C166 text on black | 9.36:1 | AAA | Lc -58.2 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DFEFDE
oklch(93.6% 0.028 143.7)
-
Step 200
200
#C4E3C3
oklch(88.5% 0.054 144.3)
-
Step 300
300
#9AD199
oklch(80.8% 0.096 144.2)
-
Step 400
400 (this color)
#64C166
oklch(73.2% 0.155 144.2)
-
Step 500
500
#11A629
oklch(63.1% 0.198 144.2)
-
Step 600
600
#008C1D
oklch(55.6% 0.179 144.2)
-
Step 700
700
#007616
oklch(49.1% 0.159 144.1)
-
Step 800
800
#006111
oklch(42.8% 0.138 144.2)
-
Step 900
900
#00510C
oklch(37.8% 0.122 144.2)
-
Step 950
950
#043007
oklch(27% 0.082 143.9)
#64C166 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) | #C4B25F | 0.117 |
| Deuteranopia (no green cones) | #B7AA6C | 0.115 |
| Tritanopia (no blue cones) | #57BDAB | 0.095 |
| Achromatopsia (no color) | #ADADAD | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64C166
#64C166
oklch(73.2% 0.155 144.2)
- #D884DF
#D884DF
oklch(73.3% 0.155 324.2)
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 #64C166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.023
- Dark Mint #48C072 ΔE 0.023
- Turtle Green #75B84F ΔE 0.029
- Algae Green #21C36F ΔE 0.036
- Dark Mint Green #20C073 ΔE 0.039
- Boring Green #63B365 ΔE 0.040
- Cool Green #33B864 ΔE 0.045
- Seaweed #18D17B ΔE 0.050
Use #64C166 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.