#618781
Closest named color: Steel Grey (#6F828A). oklch(59.3% 0.043 184), rgb(97, 135, 129).
Aa
Black text reads best on this color (5.29:1).
About this color
#618781 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.043 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.029 away. Black text reads best on it, at 5.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #618781 |
| RGB | rgb(97, 135, 129) |
| HSL | hsl(171, 16%, 45%) |
| OKLCH | oklch(59.3% 0.043 184) |
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 #618781 | 3.96:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #618781 | 5.29:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #618781 text on white | 3.96:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #618781 text on black | 5.29:1 | AA | Lc -34.6 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DCDA
oklch(88.6% 0.011 182.8)
-
Step 300
300
#B4C5C2
oklch(81% 0.019 184.1)
-
Step 400
400
#8CA7A3
oklch(70.7% 0.03 185.6)
-
Step 500
500
#6F928C
oklch(63.2% 0.04 183.4)
-
Step 600
600 (this color)
#618781
oklch(59.3% 0.043 184)
-
Step 700
700
#466863
oklch(49% 0.04 184.5)
-
Step 800
800
#3A5551
oklch(42.7% 0.033 184.6)
-
Step 900
900
#324643
oklch(37.6% 0.026 184.7)
-
Step 950
950
#1D2927
oklch(26.9% 0.017 183.7)
#618781 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) | #838381 | 0.046 |
| Deuteranopia (no green cones) | #7C7D82 | 0.045 |
| Tritanopia (no blue cones) | #568985 | 0.013 |
| Achromatopsia (no color) | #808080 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618781
#618781
oklch(59.3% 0.043 184)
- #95747B
#95747B
oklch(59.3% 0.043 4.3)
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 #618781, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.029
- Dusty Teal #4C9085 ΔE 0.031
- Battleship Grey #6B7C85 ΔE 0.037
- Slate Green #658D6D ΔE 0.040
- Medium Grey #7D7F7C ΔE 0.040
- Slate Gray #708090 ΔE 0.041
- Grey Blue #647D8E ΔE 0.041
- Steel #738595 ΔE 0.042
Use #618781 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.