#BCB73C
Closest named color: Olive Yellow (#C2B709). oklch(76.1% 0.141 107), rgb(188, 183, 60).
Aa
Black text reads best on this color (9.97:1).
About this color
#BCB73C is a medium-light, vivid yellow. In OKLCH its lightness is 76%, its chroma 0.141 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.021 away. Black text reads best on it, at 9.97:1.
| Hue family | Yellows |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 9.97:1 |
| White text | 2.10:1 |
Values
| HEX | #BCB73C |
| RGB | rgb(188, 183, 60) |
| HSL | hsl(58, 52%, 49%) |
| OKLCH | oklch(76.1% 0.141 107) |
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 #BCB73C | 2.10:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #BCB73C | 9.97:1 | AAA | Lc 62.8 | Content text, not long reading |
| #BCB73C text on white | 2.10:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #BCB73C text on black | 9.97:1 | AAA | Lc -61.2 | 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
#F7F7E8
oklch(97.2% 0.02 106.8)
-
Step 100
100
#ECECCD
oklch(93.5% 0.041 107.2)
-
Step 200
200
#DEDDA1
oklch(88.4% 0.078 107.1)
-
Step 300
300 (this color)
#BCB73C
oklch(76.1% 0.141 107)
-
Step 400
400
#ACA600
oklch(70.7% 0.152 107.1)
-
Step 500
500
#938E00
oklch(63.1% 0.135 107.2)
-
Step 600
600
#7C7700
oklch(55.6% 0.119 106.8)
-
Step 700
700
#686400
oklch(49.1% 0.105 107)
-
Step 800
800
#555200
oklch(42.8% 0.092 107.3)
-
Step 900
900
#474400
oklch(37.7% 0.081 106.8)
-
Step 950
950
#2A2800
oklch(27% 0.058 106.8)
#BCB73C 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) | #C6B02A | 0.021 |
| Deuteranopia (no green cones) | #C9B544 | 0.022 |
| Tritanopia (no blue cones) | #C9AB9E | 0.127 |
| Achromatopsia (no color) | #B3B3B3 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BCB73C
#BCB73C
oklch(76.1% 0.141 107)
- #ACA4FF
#ACA4FF
oklch(76.1% 0.129 286.9)
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 #BCB73C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.021
- Mustard #CEB301 ΔE 0.029
- Muddy Yellow #BFAC05 ΔE 0.030
- Light Olive Green #A4BE5C ΔE 0.037
- Dark Yellow #D5B60A ΔE 0.038
- Light Olive #ACBF69 ΔE 0.040
- Mustard Green #A8B504 ΔE 0.040
- Mustard Yellow #D2BD0A ΔE 0.041
Use #BCB73C 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.