#64AA91
Closest named color: Tea (#65AB7C). oklch(68.4% 0.081 169), rgb(100, 170, 145).
Aa
Black text reads best on this color (7.70:1).
About this color
#64AA91 is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.081 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.031 away. Black text reads best on it, at 7.70:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #64AA91 |
| RGB | rgb(100, 170, 145) |
| HSL | hsl(159, 29%, 53%) |
| OKLCH | oklch(68.4% 0.081 169) |
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 #64AA91 | 2.72:1 | Fails | Lc -57.9 | Large or bold text, headings |
| Black text on #64AA91 | 7.70:1 | AAA | Lc 51.4 | Large or bold text, headings |
| #64AA91 text on white | 2.72:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #64AA91 text on black | 7.70:1 | AAA | Lc -49.2 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C8DFD6
oklch(88.4% 0.027 170.2)
-
Step 300
300
#A1CCBB
oklch(81% 0.051 168.9)
-
Step 400
400 (this color)
#64AA91
oklch(68.4% 0.081 169)
-
Step 500
500
#3B9D7F
oklch(63% 0.102 169.5)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#114D3B
oklch(37.7% 0.068 168.5)
-
Step 950
950
#0D2D23
oklch(27% 0.042 169.5)
#64AA91 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) | #A7A190 | 0.083 |
| Deuteranopia (no green cones) | #9B9993 | 0.079 |
| Tritanopia (no blue cones) | #4FABA3 | 0.029 |
| Achromatopsia (no color) | #9D9D9D | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64AA91
#64AA91
oklch(68.4% 0.081 169)
- #C085A2
#C085A2
oklch(68.4% 0.082 348.5)
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 #64AA91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.031
- Greeny Blue #42B395 ΔE 0.033
- Dull Teal #5F9E8F ΔE 0.036
- Greeny Grey #7EA07A ΔE 0.040
- Dusty Green #76A973 ΔE 0.042
- Grey Green #86A17D ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.044
- Light Sea Green #20B2AA ΔE 0.048
Use #64AA91 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.