#64A398
Closest named color: Dull Teal (#5F9E8F). oklch(67% 0.067 181.9), rgb(100, 163, 152).
Aa
Black text reads best on this color (7.23:1).
About this color
#64A398 is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.067 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.018 away. Black text reads best on it, at 7.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.23:1 |
| White text | 2.90:1 |
Values
| HEX | #64A398 |
| RGB | rgb(100, 163, 152) |
| HSL | hsl(170, 26%, 52%) |
| OKLCH | oklch(67% 0.067 181.9) |
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 #64A398 | 2.90:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #64A398 | 7.23:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #64A398 text on white | 2.90:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #64A398 text on black | 7.23:1 | AAA | Lc -46.5 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#C9DEDA
oklch(88.4% 0.023 183.1)
-
Step 300
300
#A4CAC2
oklch(80.9% 0.042 181)
-
Step 400
400 (this color)
#64A398
oklch(67% 0.067 181.9)
-
Step 500
500
#449B8D
oklch(63.2% 0.087 181.3)
-
Step 600
600
#198577
oklch(55.6% 0.094 181.6)
-
Step 700
700
#047064
oklch(49% 0.087 182)
-
Step 800
800
#0E5C52
oklch(42.8% 0.072 181.7)
-
Step 900
900
#174B44
oklch(37.6% 0.056 182.8)
-
Step 950
950
#102C28
oklch(27% 0.035 183.1)
#64A398 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) | #9E9C98 | 0.072 |
| Deuteranopia (no green cones) | #939499 | 0.068 |
| Tritanopia (no blue cones) | #4EA5A0 | 0.020 |
| Achromatopsia (no color) | #979797 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A398
#64A398
oklch(67% 0.067 181.9)
- #B98492
#B98492
oklch(67% 0.068 1.7)
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 #64A398, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.018
- Cadet Blue #5F9EA0 ΔE 0.022
- Grey Teal #5E9B8A ΔE 0.028
- Greeny Grey #7EA07A ΔE 0.046
- Sea #3C9992 ΔE 0.049
- Grey Green #86A17D ΔE 0.049
- Persian Green #2A9D8F ΔE 0.052
- Greyblue #77A1B5 ΔE 0.053
Use #64A398 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.